Home / Standards / GB/T 11070-2006 GB/T 11070-2006 Abolished Reduced germanium ingot 还原锗锭 Standard Type GBT ICS 29.045 CCS H82 Status 废止 Issue Date 2006-07-18 Implementation 2006-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会